/*
 * This file is part of Applied Energistics 2. Copyright (c) 2013 - 2015, AlgorithmX2, All rights reserved. Applied
 * Energistics 2 is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General
 * Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any
 * later version. Applied Energistics 2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
 * Public License for more details. You should have received a copy of the GNU Lesser General Public License along with
 * Applied Energistics 2. If not, see <http://www.gnu.org/licenses/lgpl>.
 */

package appeng.core.worlddata;

import java.util.UUID;

import javax.annotation.Nonnull;

import com.google.common.base.Optional;

/**
 * @author thatsIch
 * @version rv3 - 30.05.2015
 * @since rv3 30.05.2015
 */
public interface IWorldPlayerMapping {

    /**
     * Tries to retrieve the UUID of a player. Might not be stored inside of the map. Should not happen though.
     *
     * @param id ID of the to be searched player
     * @return maybe the UUID of the searched player
     */
    @Nonnull
    Optional<UUID> get(int id);

    /**
     * Put in new players when they join the server
     *
     * @param id   id of new player
     * @param uuid UUID of new player
     */
    void put(int id, @Nonnull UUID uuid);
}
